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Group mean ± s.e.m. hip joint mechanics for walking (a–d) and running (e–h). Hip joint power (a,e), hip joint angle (b,f), hip joint net moment (c,g) and hip joint angle–moment plots (d,h). Solid lines, CS and dashed, ACC. The vertical lines in panels (a–c) and (e–g) indicate the end of the stance phase for CS (solid line) and ACC (broken line).
